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Question 1

‘Which of the followibng elements forms an ion with a single positive charge and an electron arrangement of 2,8’

Answer 1

1. add electron = 2,8,1
2. atomic number would be 11
3. ans= sodium

Question 2

concentrations

Answer 2

C= n/v

Question 3

“Identify the following isomer’

Answer 3

1. identify the no. of carbons and hydrogens
2. identify the no. of the branch if its the exact same to the isomer then its wrong

Question 4

“Which of the following alcohols is the least soluble in water”

Answer 4

Alcahol with the largest chain is the most soluble